The 30-Second Answer
If you were fired, demoted, or had your job substantially changed while on medical leave in Illinois, you may have claims under three separate laws: the federal Family and Medical Leave Act (FMLA), the Americans with Disabilities Act (ADA), and the Illinois Human Rights Act (IHRA, 775 ILCS 5/). These laws prohibit both interference with your leave rights and retaliation for using them. The fact that you were on leave when the adverse action happened does not protect you automatically — but it is powerful evidence of illegal motive. Act before your statutory deadlines expire.
The Story
Sandra Kovacs was a project manager at a mid-size architecture firm in Schaumburg, Cook County. She had been there for six years with consistently strong reviews. In March, she took FMLA leave after emergency surgery. Her recovery was longer than expected — eight weeks instead of six.
When Sandra returned, her office had been reassigned. Her project team had been given to a colleague. Her title was the same, but her responsibilities had been hollowed out. Within three months, she was placed on a performance improvement plan — her first negative review in six years.
Her employer never said the surgery was the reason. Instead, they said she had “missed critical project milestones” — milestones that occurred while she was on legally protected leave. That reasoning was pretextual and legally defective. Sandra’s leave was protected. Holding her accountable for work she missed during that leave was interference with her FMLA rights.
Sandra called Atlas Law Center nine months after returning from leave. Her case was still alive — but barely. She had about 60 days left on her IDHR deadline.
The Details
Illinois workers who face adverse employment action during or after medical leave have rights under three overlapping legal frameworks. Understanding how they interact — and where they differ — is essential to protecting your rights.
FMLA: Interference and Retaliation (29 U.S.C. § 2601 et seq.): FMLA prohibits two types of violations. Interference means denying, discouraging, or impeding the exercise of FMLA rights — including failing to restore an employee to the same or equivalent position upon return. Retaliation means taking adverse action against an employee because they exercised FMLA rights. FMLA claims must be brought within two years of the violation (three years if willful). There is no administrative exhaustion requirement — you can file directly in federal court.
Critical distinction — equivalent position: Upon return from FMLA leave, you are entitled to the same position you held before, or an equivalent position with equivalent pay, benefits, duties, and work schedule. An employer who technically gives you the same title but strips your responsibilities, removes your team, or changes your shift has violated the restoration right even if they call it the “same job.”
ADA: Reasonable Accommodation (42 U.S.C. § 12101 et seq.): If your medical condition qualifies as a disability under the ADA — a physical or mental impairment that substantially limits one or more major life activities — your employer must provide reasonable accommodations, which can include additional leave beyond FMLA’s 12 weeks. Firing an employee because they need more leave than FMLA provides, without engaging in the ADA’s interactive process, is disability discrimination. The ADA applies to employers with 15 or more employees.
IHRA: Disability Discrimination and Retaliation (775 ILCS 5/): Illinois’s Human Rights Act covers the same ground as the ADA but applies to employers with even one employee. Under the IHRA, “physical disability” and “mental disability” are broadly defined, and the employer’s duty to accommodate is not limited to “reasonable” accommodations under the same cost-benefit framework as the ADA. IHRA claims must be filed with the IDHR within 300 days of the adverse action.
Key interaction — leave exhaustion: When FMLA leave expires and an employee still cannot return to work, many employers move to terminate. This is where ADA and IHRA claims become critical. Before terminating an employee whose FMLA leave has run out, an employer with 15 or more employees (ADA) or any employer (IHRA) must engage in an interactive process to determine whether additional leave — or another accommodation — is reasonable. Simply saying “FMLA is exhausted, you’re fired” is often a violation.
Reinstatement rights: If your employer terminated you in violation of FMLA, you are entitled to reinstatement to your former position as a remedy. If reinstatement is not feasible, front pay — compensation for the period you would have been employed — is an alternative. You may also recover back pay, lost benefits, interest, and attorney’s fees.
The Toolkit
| Concept | What It Means | Why It Matters to You |
|---|---|---|
| FMLA Interference | Denying or impeding your FMLA rights, including failure to restore your position | You do not need to show bad intent — just that the employer failed to comply |
| FMLA Retaliation | Adverse action because you exercised FMLA rights | A performance plan that begins after your return from leave is a red flag |
| ADA Interactive Process | Employer must engage in good-faith dialogue about accommodations for disabilities | Firing without engaging in this process is often illegal, even after FMLA expires |
| IHRA Disability Coverage | Covers employers with one or more employees — far broader than the ADA’s 15-employee threshold | Nearly every Illinois employer has IHRA disability accommodation obligations |
| 300-Day IDHR Deadline | IHRA claims must be filed within 300 days of the adverse action | Your clock starts when you are fired or demoted — not when you return from leave |
| Reinstatement Right | FMLA entitles you to your old job (or an equivalent) upon return from leave | A stripped job with the same title is not an equivalent position |
The Algorithmic Shadow
In 2026, workforce management systems in Illinois increasingly use “return-to-work” protocols managed by third-party vendors whose algorithms generate automatic performance assessments upon an employee’s return from extended leave. These systems compare the returning employee’s pre-leave productivity metrics with current productivity — without accounting for the fact that the employee was on protected leave, that their team changed, or that their projects were reassigned. The algorithm generates a “performance concern” flag. The supervisor sees the flag. The employee gets a PIP within 30 days of returning from surgery.
This is automated FMLA retaliation. The mechanism is new — the legal violation is not. Ahmad Sulaiman and Atlas Law Center pay close attention to the timing of performance actions relative to leave periods. If your employer uses a workforce management platform and your performance was flagged upon return from medical leave, the algorithm’s decision logic may be discoverable — and it may tell the story of your retaliation case more clearly than any email chain.
Frequently Asked Questions
Can my employer fire me for performance issues that occurred during my medical leave?
Generally, no. Holding an employee accountable for performance failures during a period of legally protected FMLA leave is interference with FMLA rights. If the performance concern predated the leave and was documented before the leave began, an employer may have more latitude — but the timing matters enormously and courts scrutinize it carefully.
My employer says my position was “eliminated” while I was on leave. Is that legal?
It depends. Employers can eliminate positions during FMLA leave for legitimate, non-FMLA reasons — such as a genuine company-wide reduction in force. But the elimination of a position that conveniently coincides with an employee’s medical leave, and that position is re-created shortly thereafter, is strong evidence of pretextual termination. Courts look at whether the position was truly eliminated or whether the employer just did not want to restore the employee.
What if I need more than 12 weeks of medical leave in Illinois?
Once FMLA leave is exhausted, the ADA and IHRA take over. Both laws may require additional leave as a reasonable accommodation for a qualifying disability. The employer must engage in an interactive process before denying additional leave. There is no hard ceiling on how much additional leave is required — it depends on the undue hardship analysis and the specific circumstances.
Does workers’ compensation leave count as FMLA leave in Illinois?
Yes, in many cases. If the work-related injury qualifies as a serious health condition under FMLA, the employer may designate workers’ compensation leave as FMLA leave simultaneously. The employee cannot take 12 weeks of FMLA leave plus additional workers’ comp leave for the same condition — they run concurrently. But the employee’s job protection and restoration rights still apply.
How do I know if my employer violated my rights or just made a bad business decision?
Ask yourself: did the adverse action occur during or shortly after your protected leave? Did your employer give you a different reason for the action than the one that actually makes sense? Were similarly situated coworkers who did not take leave treated differently? If any of these are true, the “bad business decision” defense deserves serious scrutiny. Consult an employment attorney before accepting your employer’s explanation.
Is there a deadline to sue my employer for FMLA violations in Illinois?
Yes. FMLA claims must be filed within two years of the violation, or three years if the violation was willful. IHRA disability discrimination claims must be filed with the IDHR within 300 days of the adverse action. ADA claims must be filed with the EEOC within 300 days in Illinois. These deadlines run independently, and all three may apply to the same set of facts.
Ahmad Sulaiman and Atlas Law Center represent Illinois workers who have been punished for getting sick, needing surgery, or caring for a family member. Your employer did not have the right to fire you while you were healing. If they did — or made your job so diminished that returning was not really returning — call us.
Contact Atlas Law Center for a free consultation — Employment Law: (630) 394-6350 | Consumer Law: (331) 321-4748. Care first. Justice always.